#include #include #include "histogram.h" using namespace std; void find_minmax(vector numbers, double& min, double& max) { min = numbers[0]; max = numbers[0]; for (double x : numbers) { if (x < min) { min = x; } else if (x > max) { max = x; } } } vector make_histogram(vector numbers, size_t bin_count) { vector bins(bin_count); double min, max; find_minmax(numbers, min, max); size_t countt; double bin_size = (max - min) / bin_count; for (size_t i = 0; i < numbers.size(); i++) { bool found = false; for (size_t j = 0; (j < bin_count - 1) && !found; j++) { auto lo = min + j * bin_size; auto hi = min + (j + 1) * bin_size; if ((lo <= numbers[i]) && (numbers[i] < hi)) { bins[j]++; found = true; } } if (!found) { bins[bin_count - 1]++; } } return bins; }